... , Actual Size, Wall Thickness, Standard Length of Drawn Type K copper tube Nominal SizeActual SizeWall ThicknessStandard LengthTemperininmminmminmm1/43/89 ... snow melting, steam and vacuum systems. -copper tubes of type K can be used sweat, flared and compression fittings. Available ... the wood box.-Pancake coil type K copper tube packed with plastic bag, then put them in the cardboard box. type K copper ...